a='hello'
c="'welcome to my world\nmy friend'"
print(a)
print(c)
b=c[-10:]
print(b)
d=b.upper()
print(d)
e=d.split(' ')
print(e)
f=c.count('e')
print(f)
g=a.replace('o','')
print(g)
h=a.center(20,'*')
print(h)
i=h.strip('*')